475 lines
16 KiB
C
475 lines
16 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "hal.h"
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/*
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* Virtual serial ports over USB.
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*/
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SerialUSBDriver SDU1;
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SerialUSBDriver SDU2;
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#define USB_DEVICE_VID 0xF055 /* You MUST change this.*/
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#define USB_DEVICE_PID 0xE063 /* You MUST change this.*/
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/*
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* Endpoints.
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*/
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#define USB_INTERRUPT_REQUEST_EP_A 1
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#define USB_DATA_AVAILABLE_EP_A 2
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#define USB_DATA_REQUEST_EP_A 2
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#define USB_INTERRUPT_REQUEST_EP_B 3
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#define USB_DATA_AVAILABLE_EP_B 4
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#define USB_DATA_REQUEST_EP_B 4
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#define USB_INTERRUPT_REQUEST_SIZE 0x10
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#define USB_DATA_SIZE 0x40
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/*
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* Interfaces
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*/
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#define USB_NUM_INTERFACES 4
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#define USB_CDC_CIF_NUM0 0
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#define USB_CDC_DIF_NUM0 1
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#define USB_CDC_CIF_NUM1 2
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#define USB_CDC_DIF_NUM1 3
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/*
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* USB Device Descriptor.
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*/
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static const uint8_t vcom_device_descriptor_data[] = {
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USB_DESC_DEVICE(
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0x0200, /* bcdUSB (1.1). */
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0xEF, /* bDeviceClass (misc). */
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0x02, /* bDeviceSubClass (common). */
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0x01, /* bDeviceProtocol (IAD). */
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USB_DATA_SIZE, /* bMaxPacketSize. */
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USB_DEVICE_VID, /* idVendor. */
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USB_DEVICE_PID, /* idProduct. */
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0x0200, /* bcdDevice. */
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1, /* iManufacturer. */
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2, /* iProduct. */
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3, /* iSerialNumber. */
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1) /* bNumConfigurations. */
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};
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/*
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* Device Descriptor wrapper.
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*/
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static const USBDescriptor vcom_device_descriptor = {
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sizeof vcom_device_descriptor_data,
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vcom_device_descriptor_data
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};
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#define CDC_IF_DESC_SET_SIZE \
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(USB_DESC_INTERFACE_SIZE + 5 + 5 + 4 + 5 + USB_DESC_ENDPOINT_SIZE + \
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USB_DESC_INTERFACE_SIZE + (USB_DESC_ENDPOINT_SIZE * 2))
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#define CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp) \
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/* Interface Descriptor.*/ \
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USB_DESC_INTERFACE( \
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comIfNum, /* bInterfaceNumber. */ \
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0x00, /* bAlternateSetting. */ \
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0x01, /* bNumEndpoints. */ \
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CDC_COMMUNICATION_INTERFACE_CLASS, /* bInterfaceClass. */ \
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CDC_ABSTRACT_CONTROL_MODEL, /* bInterfaceSubClass. */ \
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0x01, /* bInterfaceProtocol (AT
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commands, CDC section
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4.4). */ \
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0), /* iInterface. */ \
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/* Header Functional Descriptor (CDC section 5.2.3).*/ \
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USB_DESC_BYTE (5), /* bLength. */ \
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USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
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USB_DESC_BYTE (CDC_HEADER), /* bDescriptorSubtype. */ \
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USB_DESC_BCD (0x0110), /* bcdCDC. */ \
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/* Call Management Functional Descriptor.*/ \
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USB_DESC_BYTE (5), /* bFunctionLength. */ \
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USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
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USB_DESC_BYTE (CDC_CALL_MANAGEMENT), /* bDescriptorSubtype. */ \
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USB_DESC_BYTE (0x03), /*******/ /* bmCapabilities. */ \
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USB_DESC_BYTE (datIfNum), /* bDataInterface. */ \
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/* Abstract Control Management Functional Descriptor.*/ \
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USB_DESC_BYTE (4), /* bFunctionLength. */ \
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USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
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USB_DESC_BYTE (CDC_ABSTRACT_CONTROL_MANAGEMENT), \
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USB_DESC_BYTE (0x02), /* bmCapabilities. */ \
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/* Union Functional Descriptor.*/ \
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USB_DESC_BYTE (5), /* bFunctionLength. */ \
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USB_DESC_BYTE (CDC_CS_INTERFACE), /* bDescriptorType. */ \
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USB_DESC_BYTE (CDC_UNION), /* bDescriptorSubtype. */ \
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USB_DESC_BYTE (comIfNum), /* bMasterInterface. */ \
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USB_DESC_BYTE (datIfNum), /* bSlaveInterface. */ \
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/* Endpoint, Interrupt IN.*/ \
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USB_DESC_ENDPOINT ( \
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comInEp, \
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USB_EP_MODE_TYPE_INTR, /* bmAttributes. */ \
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USB_INTERRUPT_REQUEST_SIZE, /* wMaxPacketSize. */ \
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0x01), /* bInterval. */ \
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\
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/* CDC Data Interface Descriptor.*/ \
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USB_DESC_INTERFACE( \
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datIfNum, /* bInterfaceNumber. */ \
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0x00, /* bAlternateSetting. */ \
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0x02, /* bNumEndpoints. */ \
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CDC_DATA_INTERFACE_CLASS, /* bInterfaceClass. */ \
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0x00, /* bInterfaceSubClass (CDC
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section 4.6). */ \
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0x00, /* bInterfaceProtocol (CDC
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section 4.7). */ \
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0x00), /* iInterface. */ \
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/* Endpoint, Bulk OUT.*/ \
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USB_DESC_ENDPOINT( \
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datOutEp, /* bEndpointAddress. */ \
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USB_EP_MODE_TYPE_BULK, /* bmAttributes. */ \
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USB_DATA_SIZE, /* wMaxPacketSize. */ \
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0x00), /* bInterval. */ \
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/* Endpoint, Bulk IN.*/ \
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USB_DESC_ENDPOINT( \
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datInEp, /* bEndpointAddress. */ \
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USB_EP_MODE_TYPE_BULK, /* bmAttributes. */ \
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USB_DATA_SIZE, /* wMaxPacketSize. */ \
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0x00) /* bInterval. */
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#define IAD_CDC_IF_DESC_SET_SIZE \
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(USB_DESC_INTERFACE_ASSOCIATION_SIZE + CDC_IF_DESC_SET_SIZE)
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#define IAD_CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp) \
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/* Interface Association Descriptor.*/ \
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USB_DESC_INTERFACE_ASSOCIATION( \
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comIfNum, /* bFirstInterface. */ \
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2, /* bInterfaceCount. */ \
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CDC_COMMUNICATION_INTERFACE_CLASS, /* bFunctionClass. */ \
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CDC_ABSTRACT_CONTROL_MODEL, /* bFunctionSubClass. */ \
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1, /* bFunctionProcotol. */ \
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0 /* iInterface. */ \
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), \
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/* CDC Interface descriptor set */ \
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CDC_IF_DESC_SET(comIfNum, datIfNum, comInEp, datOutEp, datInEp)
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/* Configuration Descriptor tree for a CDC.*/
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static const uint8_t vcom_configuration_descriptor_data[] = {
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/* Configuration Descriptor.*/
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USB_DESC_CONFIGURATION(
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USB_DESC_CONFIGURATION_SIZE +
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(IAD_CDC_IF_DESC_SET_SIZE * 2), /* wTotalLength. */
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USB_NUM_INTERFACES, /* bNumInterfaces. */
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0x01, /* bConfigurationValue. */
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0, /* iConfiguration. */
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0xC0, /* bmAttributes (self powered). */
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50 /* bMaxPower (100mA). */
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),
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IAD_CDC_IF_DESC_SET(
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USB_CDC_CIF_NUM0,
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USB_CDC_DIF_NUM0,
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USB_ENDPOINT_IN(USB_INTERRUPT_REQUEST_EP_A),
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USB_ENDPOINT_OUT(USB_DATA_AVAILABLE_EP_A),
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USB_ENDPOINT_IN(USB_DATA_REQUEST_EP_A)
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),
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IAD_CDC_IF_DESC_SET(
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USB_CDC_CIF_NUM1,
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USB_CDC_DIF_NUM1,
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USB_ENDPOINT_IN(USB_INTERRUPT_REQUEST_EP_B),
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USB_ENDPOINT_OUT(USB_DATA_AVAILABLE_EP_B),
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USB_ENDPOINT_IN(USB_DATA_REQUEST_EP_B)
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),
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};
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/*
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* Configuration Descriptor wrapper.
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*/
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static const USBDescriptor vcom_configuration_descriptor = {
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sizeof vcom_configuration_descriptor_data,
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vcom_configuration_descriptor_data
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};
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/*
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* U.S. English language identifier.
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*/
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static const uint8_t vcom_string0[] = {
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USB_DESC_BYTE(4), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
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};
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/*
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* Vendor string.
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*/
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static const uint8_t vcom_string1[] = {
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USB_DESC_BYTE(38), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
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'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
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'c', 0, 's', 0
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};
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/*
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* Device Description string.
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*/
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static const uint8_t vcom_string2[] = {
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USB_DESC_BYTE(56), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
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'R', 0, 'T', 0, ' ', 0, 'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0,
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'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0,
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'o', 0, 'r', 0, 't', 0
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};
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/*
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* Serial Number string.
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*/
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static const uint8_t vcom_string3[] = {
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USB_DESC_BYTE(8), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'0' + CH_KERNEL_MAJOR, 0,
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'0' + CH_KERNEL_MINOR, 0,
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'0' + CH_KERNEL_PATCH, 0
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};
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/*
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* Strings wrappers array.
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*/
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static const USBDescriptor vcom_strings[] = {
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{sizeof vcom_string0, vcom_string0},
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{sizeof vcom_string1, vcom_string1},
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{sizeof vcom_string2, vcom_string2},
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{sizeof vcom_string3, vcom_string3}
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};
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/*
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* Handles the GET_DESCRIPTOR callback. All required descriptors must be
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* handled here.
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*/
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static const USBDescriptor *get_descriptor(USBDriver *usbp,
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uint8_t dtype,
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uint8_t dindex,
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uint16_t lang) {
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(void)usbp;
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(void)lang;
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switch (dtype) {
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case USB_DESCRIPTOR_DEVICE:
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return &vcom_device_descriptor;
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case USB_DESCRIPTOR_CONFIGURATION:
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return &vcom_configuration_descriptor;
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case USB_DESCRIPTOR_STRING:
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if (dindex < 4)
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return &vcom_strings[dindex];
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}
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return NULL;
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}
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/**
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* @brief IN EP1 state.
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*/
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static USBInEndpointState ep1instate;
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/**
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* @brief EP1 initialization structure (IN only).
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*/
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static const USBEndpointConfig ep1config = {
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USB_EP_MODE_TYPE_INTR,
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NULL,
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sduInterruptTransmitted,
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NULL,
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USB_INTERRUPT_REQUEST_SIZE,
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0x0000,
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&ep1instate,
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NULL,
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1,
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NULL
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};
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/**
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* @brief IN EP2 state.
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*/
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static USBInEndpointState ep2instate;
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/**
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* @brief OUT EP2 state.
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*/
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static USBOutEndpointState ep2outstate;
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/**
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* @brief EP2 initialization structure (both IN and OUT).
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*/
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static const USBEndpointConfig ep2config = {
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USB_EP_MODE_TYPE_BULK,
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NULL,
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sduDataTransmitted,
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sduDataReceived,
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USB_DATA_SIZE,
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USB_DATA_SIZE,
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&ep2instate,
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&ep2outstate,
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2,
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NULL
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};
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/**
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* @brief IN EP3 state.
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*/
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static USBInEndpointState ep3instate;
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/**
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* @brief EP3 initialization structure (IN only).
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*/
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static const USBEndpointConfig ep3config = {
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USB_EP_MODE_TYPE_INTR,
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NULL,
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sduInterruptTransmitted,
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NULL,
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USB_INTERRUPT_REQUEST_SIZE,
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0x0000,
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&ep3instate,
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NULL,
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1,
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NULL
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};
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/**
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* @brief IN EP4 state.
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*/
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static USBInEndpointState ep4instate;
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/**
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* @brief OUT EP4 state.
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*/
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static USBOutEndpointState ep4outstate;
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/**
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* @brief EP4 initialization structure (both IN and OUT).
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*/
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static const USBEndpointConfig ep4config = {
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USB_EP_MODE_TYPE_BULK,
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NULL,
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sduDataTransmitted,
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sduDataReceived,
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USB_DATA_SIZE,
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USB_DATA_SIZE,
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&ep4instate,
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&ep4outstate,
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2,
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NULL
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};
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/*
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* Handles the USB driver global events.
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*/
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static void usb_event(USBDriver *usbp, usbevent_t event) {
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extern SerialUSBDriver SDU1;
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extern SerialUSBDriver SDU2;
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switch (event) {
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case USB_EVENT_RESET:
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return;
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case USB_EVENT_ADDRESS:
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return;
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case USB_EVENT_CONFIGURED:
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chSysLockFromISR();
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if (usbp->state == USB_ACTIVE) {
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/* Enables the endpoints specified into the configuration.
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Note, this callback is invoked from an ISR so I-Class functions
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must be used.*/
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usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_A, &ep1config);
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usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_A, &ep2config);
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usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_B, &ep3config);
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usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_B, &ep4config);
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/* Resetting the state of the CDC subsystem.*/
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sduConfigureHookI(&SDU1);
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sduConfigureHookI(&SDU2);
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}
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else if (usbp->state == USB_SELECTED) {
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usbDisableEndpointsI(usbp);
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}
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chSysUnlockFromISR();
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return;
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case USB_EVENT_SUSPEND:
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chSysLockFromISR();
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/* Disconnection event on suspend.*/
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sduDisconnectI(&SDU1);
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sduDisconnectI(&SDU2);
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chSysUnlockFromISR();
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return;
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case USB_EVENT_WAKEUP:
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return;
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case USB_EVENT_STALLED:
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return;
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}
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return;
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}
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/*
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* Handling messages not implemented in the default handler nor in the
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* SerialUSB handler.
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*/
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static bool requests_hook(USBDriver *usbp) {
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if (((usbp->setup[0] & USB_RTYPE_RECIPIENT_MASK) == USB_RTYPE_RECIPIENT_INTERFACE) &&
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(usbp->setup[1] == USB_REQ_SET_INTERFACE)) {
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usbSetupTransfer(usbp, NULL, 0, NULL);
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return true;
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}
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return sduRequestsHook(usbp);
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}
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/*
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* Handles the USB driver global events.
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*/
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static void sof_handler(USBDriver *usbp) {
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(void)usbp;
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osalSysLockFromISR();
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sduSOFHookI(&SDU1);
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sduSOFHookI(&SDU2);
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osalSysUnlockFromISR();
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}
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/*
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* USB driver configuration.
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*/
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const USBConfig usbcfg = {
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usb_event,
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get_descriptor,
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requests_hook,
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sof_handler
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};
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/*
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* Serial over USB driver configuration 1.
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*/
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const SerialUSBConfig serusbcfg1 = {
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&USBD2,
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USB_DATA_REQUEST_EP_A,
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USB_DATA_AVAILABLE_EP_A,
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USB_INTERRUPT_REQUEST_EP_A
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};
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/*
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* Serial over USB driver configuration 2.
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*/
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const SerialUSBConfig serusbcfg2 = {
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&USBD2,
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USB_DATA_REQUEST_EP_B,
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USB_DATA_AVAILABLE_EP_B,
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USB_INTERRUPT_REQUEST_EP_B
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};
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